One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,11)(8,12)(9,10)(13,14,17,18)(15,21,23,19)(16,24,25,20)(22,27,26,28)(29,30)(31,33)(32,39)(34,35)(36,40)(37,43)(38,44)(41,42)(5,6,9,10)(7,11,12,8)(14,18)(16,25)(19,21)(22,26)(30,35)(31,37)(32,40)(42,44)(7,12)(8,11)(13,15)(14,19)(16,26)(17,23)(18,21)(20,28)(22,25)(24,27)(29,31,34,37)(30,33,35,43)(32,41,40,38)(36,44,39,42)(1,2,3,4)(5,7)(6,8)(9,12)(10,11)(13,14)(15,19)(16,20)(17,18)(21,23)(22,27)(24,25)(26,28)(29,32)(30,36)(31,38)(33,42)(34,40)(35,39)(37,41)(43,44)(5,8)(6,7)(9,11)(10,12)(13,16,17,25)(14,20,18,24)(15,22,23,26)(19,27,21,28)(29,33)(30,31)(32,42)(34,43)(35,37)(36,38)(39,41)(40,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.